WO1996018275B1 - System for providing simultaneous data and voice communication - Google Patents

System for providing simultaneous data and voice communication

Info

Publication number
WO1996018275B1
WO1996018275B1 PCT/US1995/015175 US9515175W WO9618275B1 WO 1996018275 B1 WO1996018275 B1 WO 1996018275B1 US 9515175 W US9515175 W US 9515175W WO 9618275 B1 WO9618275 B1 WO 9618275B1
Authority
WO
WIPO (PCT)
Prior art keywords
voice
data
cellular telephone
signals
modem
Prior art date
Application number
PCT/US1995/015175
Other languages
French (fr)
Other versions
WO1996018275A1 (en
Filing date
Publication date
Priority claimed from US08/352,312 external-priority patent/US6226529B1/en
Application filed filed Critical
Priority to AU45019/96A priority Critical patent/AU4501996A/en
Publication of WO1996018275A1 publication Critical patent/WO1996018275A1/en
Publication of WO1996018275B1 publication Critical patent/WO1996018275B1/en

Links

Abstract

An accessory device for portable telephones which provides simultaneous functionality of a hands-free accessory device (13) and a data-in-voice modem (18) enabling a portable telephone (10) to be used in vehicle such that the driver can be engaged in a hands-free conversation at the same time as data (such as GPS position information) is being sent over the same cellular voice channel.

Claims

AMENDED CLAIMS[received by the International Bureau on 24 May 1996 (24.05.96); original claims 1 and 9 amended; remaining claims unchanged (4 pages).
1. A cellular telephone accessory system for simultaneously incorporating data and voice within a single voice channel of a portable cellular telephone having an accessible phone bus,, comprising: 1) cradle means for receiving said portable cellular telephone and having a microphone interface and speaker interface,
2) a core unit having a data-in-voice modem for receiving and transmitting voice and data signals simultaneously in said single voice channel when said cellular telephone is in said cradle, a micro controller, switch means controlled by said micro controller for controlling data and voice signals to and from said modem on said single voice channel, and a hands-free controller circuit for sensing presence of said portable cellular telephone in said cradle,
3) connector means for:
1 ) a supplemental antenna and means of coupling RF signals from said portable cellular telephone to said supplemental antenna,
2) coupling audio lines of said telephone bus to said data-in-voice modem in said core unit, and
4) a voice line controlled by said hands-free circuit for connecting said microphone and speaker to said core unit. 2. The cellular telephone accessory system defined in claim 1 including a position sensing receiver for RF broadcast signals from plural directions and determining the geographical position of said cradle means and means connecting said position sensing receiver to said data-in¬ voice modem and transmitting said geographical position to a central station.
3. The cellular telephone system defined in claim 1 including one or more car alarm devices for producing alarm signals and means coupling said one or more alarm signals to said data-in-voice modem for transmission over said voice channel without interfering with voice transmissions on said voice channel, and also a return path for the car alarm for control and configuration thereof.
4. The cellular telephone accessory system defined in claim 1 mounted in a vehicle and including a cellular receiver/transmitter unit having a unit number and call number assigned thereto, and a further cellular antenna, and a data bus coupling said receiver/transmitter unit to said data-in-voice mode .
5. The cellular telephone accessory defined in claim 1 including RF booster amplifier means in said means coupling RF signals.
6. The cellular telephone accessory system defined in claim 1 wherein said data-in-voice modem includes a notch filter to attenuate a portion of the audio channel and thereby filter out any incoming data signals so they are not audible in the cellular telephone.
7. An accessory device for portable telephones, comprising: a cradle for receiving the portable telephone and hands-free microphone and speaker, means for enabling hands- free conversations by the user over a cellular voice channel, and a data-in-voice modem for embedding data in said voice channel simultaneously with a user conversation.
8. The accessory device defined in claim 6 including receiver means to receive RF broadcasts from a plurality of directions and derive therefrom a position information signal and means coupling said position information signal to said modem for transmission to a central station.
9. A cellular telephone unit having a voice channel carried in a vehicle, said vehicle having a plurality of vehicle condition sensors and a vehicle data bus for coupling signals from said sensors to a vehicle on-board computer, a data-in-voice modem connected to said cellular telephone unit, micro controller means, switch means
21 controlled by said micro controller for coupling signals from said vehicle condition sensors to said data in voice modem for transmitting on said voice channel to a central station.
10. A cellular telephone unit having an audio channel connected to a voice recorder with said voice recorder integrated with the cradle or as an add-on.
??
PCT/US1995/015175 1994-12-08 1995-12-08 System for providing simultaneous data and voice communication WO1996018275A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45019/96A AU4501996A (en) 1994-12-08 1995-12-08 System for providing simultaneous data and voice communication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/352,312 1994-12-08
US08/352,312 US6226529B1 (en) 1994-12-08 1994-12-08 System for providing a simultaneous data and voice channel within a single channel of a portable cellular telephone to provide position-enhanced cellular services (PECS)

Publications (2)

Publication Number Publication Date
WO1996018275A1 WO1996018275A1 (en) 1996-06-13
WO1996018275B1 true WO1996018275B1 (en) 1996-07-25

Family

ID=23384627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/015175 WO1996018275A1 (en) 1994-12-08 1995-12-08 System for providing simultaneous data and voice communication

Country Status (3)

Country Link
US (1) US6226529B1 (en)
AU (1) AU4501996A (en)
WO (1) WO1996018275A1 (en)

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